Hong Kong (CNN)Tears rolled down Chen Shih-hsin's cheeks as, olive wreath atop her head and medal around her neck, she saluted the flag that rose above the stadium.

Chen Shih-hsin was the first ever Taiwanese athlete to win Olympic gold.

But the anthem that played for the first Taiwanese athlete to ever win gold -- she won gold at the 2004 Olympics in the lightweight taekwondo competition -- was not the one Chen heard growing up, nor was the flag in front of her the red and blue of Taiwan.

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In 1971, Taiwan -- officially the Republic of China (ROC) -- was forced to withdraw from the United Nations after the General Assembly passed a motion recognizing the People's Republic of China as the only lawful representative of China to the U.N.

Taiwan's free-wheeling democracy a sharp contrast to China's one-party state. However, a shared cultural and linguistic heritage mostly endures -- with Mandarin Chinese spoken as the official language in both places. Most countries do not maintain official diplomatic relations with Taiwan, in deference to Beijing.

Any recognition of Taiwan as a separate nation is resisted forcefully by China, including in the world of sport. In a statement, the Chinese Taipei Olympic Committee said Taiwan's membership of international organizations has been "marginalized by the Chinese mainland" since 1971.

Taiwan boycotted the 1976 and 1980 Olympics after the host nations refused to allow the ROC to compete under that name.

In 1979, the International Olympic Committee (IOC) passed the Nagoya Resolution, conferring on Taiwan the name "Chinese Taipei" and banning its Olympic committee from using the ROC flag or national anthem.

After a series of forceful objections, Taiwan officially accepted the compromise in 1981, and the island competed in its first Olympics in 1984, at the winter games in Sarajevo.

Changing identities

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While Taiwan has participated in every Olympics for the past three decades, the compromise never sat well with many at home, and has grown more controversial as Taiwanese politics shifted in the direction of full independence from mainland China.

According to annual polls conducted by National Chengchi University, only 13.6% of respondents in 1991 self-identified as Taiwanese; by 2004, that number had risen to over 45%. A poll conducted this year by the Taiwanese Public Opinion Foundation found that 80% of respondents described themselves as Taiwanese.

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Freddy Lim, a death metal frontman and lawmaker elected at the same time as Tsai, says the name "Chinese Taipei" is "disrespectful."

"Taiwan's Olympic athletes come from all over the country and are of different ethnic backgrounds, so the best name for the team would be 'Taiwan'," he told CNN.

"I hope the global community could see how Taiwan is treated internationally and support our efforts to participate in international affairs as a normal country."

Coen Blaauw, executive director of the Formosan Association for Public Affairs, which advocates for Taiwanese independence (Formosa is a historical name for the island of Taiwan), says the use of the name is damaging to Taiwan's international standing.

"Not only is the name 'Chinese Taipei' humiliating for the 23 million people of the democratic country of Taiwan, we are concerned that the name will stick," he told CNN.

"China's veto power and approval over Taiwan's role on the international stage should not be a prerequisite for Taiwanese participation in international organizations like the Olympics."

DK Dang, chairman of World United Formosans for Independence, says he hopes Tsai's administration will pressure the IOC to allow Taiwan to compete under its own name.

Tsai's office did not respond to a request for comment.

China has maintained that nothing is permissible on the international stage if it suggests there are "two Chinas."